4777768388 has 12 divisors (see below), whose sum is σ = 8369659452. Its totient is φ = 2386437120.

The previous prime is 4777768381. The next prime is 4777768397. The reversal of 4777768388 is 8838677774.

It can be written as a sum of positive squares in 2 ways, for example, as 2146283584 + 2631484804 = 46328^2 + 51298^2 .

It is not an unprimeable number, because it can be changed into a prime (4777768381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607373 + ... + 615188.

It is an arithmetic number, because the mean of its divisors is an integer number (697471621).

Almost surely, 2^4777768388 is an apocalyptic number.

It is an amenable number.

4777768388 is a deficient number, since it is larger than the sum of its proper divisors (3591891064).

4777768388 is a wasteful number, since it uses less digits than its factorization.

4777768388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223542 (or 1223540 counting only the distinct ones).

The product of its digits is 88510464, while the sum is 65.

The square root of 4777768388 is about 69121.4032554317. The cubic root of 4777768388 is about 1684.2570123767.

The spelling of 4777768388 in words is "four billion, seven hundred seventy-seven million, seven hundred sixty-eight thousand, three hundred eighty-eight".